高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists授课ppt课件

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists授课ppt课件，共15页。PPT课件主要包含了表语从句情境探究，that，how，whether，what，where，why，because等内容，欢迎下载使用。
观察下面句子, 并用适当的连词填空(1)One thery was ____bad air caused the disease. (2)The ther was ____chlera was caused by infectin frm germs in fd r water. (3)The truth was ____the water frm the Brad Street pump had been infected by waste. (4)What Jhn Snw shwed t the wrld was ____chlera culd be vercme.
【要义详析】一、概念在主从复合句中充当表语的从句, 叫作表语从句。它常位于系动词之后, 用来说明主语的身份或特征。二、连接词的用法1. that引导的表语从句。用法: ①无意义　②不充当句子成分　③不可省略*(2021·全国乙卷) The prblem may be that, in ur ffices, we can’t stp urselves frm getting drawn int thers’ cnversatins while we’re trying t fcus. 问题可能是, 在我们的办公室里, 当我们试图集中注意力时, 我们无法阻止自己卷入别人的谈话中。
【即学活用】语法填空(1)(2020•全国Ⅱ卷) The gd news is ____it’s simple t learn and can be wrth the effrt. (2)(2020·全国Ⅰ卷) The bttm line is ____I shuldn’t lie t my kids. (3)The questin is _______technlgy is ging t be ur servant r ur master. (4) All I knw is _____I read in the papers.  (5) This is ______I dn’t agree with yu.
三、注意事项1. why和because引导的表语从句的区别。*I didn’t phne her, and that’s why she gt angry with me. 我没有给她打电话。那就是她生我气的原因。(强调她生气的这一结果)*I didn’t phne her, and that’s because I gt angry with her. 我没有给她打电话, 那是因为我生她的气了。(强调没打电话的原因)
3. 表语从句中的虚拟语气。在表语从句中, 表示间接的命令、要求、请求、建议、决定等, 主句中的主语通常是: advice, suggestin, prpsal, request, rder, idea等, 从句谓语形式是“shuld+动词原形”(shuld可以省略, 但不可换成wuld)。*My suggestin is that we (shuld)start early tmrrw. 我的建议是我们明天早出发。
【即学活用】语法填空(1)I drve t Zhuhai fr the air shw last week. This is ____I had a few days ff. (2)He was late tday. This is _______he gt up late. (3)The reasn why we didn’t g was ____we were nt infrmed f the infrmatin. (4)My prpsal is ____yu (shuld) arrange yur assistant t this prject.
【语法主题应用】　　使用本单元所学语法知识(表语从句)翻译下面的语段: 　　好消息是我们学校要去露营。由于最近的糟糕天气, 问题是我们什么时候动身。学生们关心的是我们去哪里露营。那是因为我们想去一个风景美丽的地方。我的建议是我们去附近的峡谷。原因是交通非常方便。最吸引人的是那里有很多名胜。____________________________________________________________________________________________________________________________________________________________________________________________________________